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                                <div id="anchor-navigation-ex-navbar"><i class="fa fa-navicon"></i><ul><li><span class="title-icon "></span><a href="#25-dashboard"><b></b>2.5 Dashboard</a></li></ul></div><h1 id="25-dashboard"><a name="25-dashboard" class="anchor-navigation-ex-anchor" href="#25-dashboard"><i class="fa fa-link" aria-hidden="true"></i></a>2.5 Dashboard</h1>
<p>Kubernetes-Dashboard &#x662F;&#x4E00;&#x4E2A; &#x7BA1;&#x7406; Kubernetes &#x96C6;&#x7FA4;&#x7684; Web UI&#xFF0C;&#x5176;&#x754C;&#x9762;&#x5927;&#x6C14;&#x4F18;&#x96C5;&#xFF0C;&#x8DDF; kubectl &#x4E00;&#x6837;&#xFF0C;&#x5176;&#x540E;&#x7AEF;&#x662F; API-Server&#xFF0C;&#x901A;&#x8FC7;&#x5B83;&#x53EF;&#x4EE5;&#x67E5;&#x770B;&#x96C6;&#x7FA4;&#x4E2D;&#x6BCF;&#x4E2A;&#x96C6;&#x7FA4;&#x7684;&#x8282;&#x70B9;&#x72B6;&#x6001;&#xFF0C;&#x5404;&#x7C7B;&#x8D44;&#x6E90;&#x7684;&#x8C03;&#x5EA6;&#x72B6;&#x51B5;&#xFF0C;&#x8FD8;&#x53EF;&#x4EE5;&#x52A8;&#x6001;&#x4F38;&#x7F29;&#x8282;&#x70B9;&#x3001;&#x7BA1;&#x7406;&#x8D44;&#x6E90;&#x3002;</p>
<p>&#x5176;&#x754C;&#x9762;&#x5982;&#x4E0B;&#xFF1A;</p>
<p><img src="images/dashboard.gif" alt="dashboard"></p>
<p>dashboard &#x7684; Github &#x4ED3;&#x5E93;&#x5730;&#x5740;&#x4E3A;&#xFF1A;<a href="https://github.com/kubernetes/dashboard/tags&#xFF0C;&#x8BF7;&#x4ECE;&#x4E2D;&#x9009;&#x62E9;&#x6700;&#x65B0;&#x7248;&#x672C;&#x7684;" target="_blank">https://github.com/kubernetes/dashboard/tags&#xFF0C;&#x8BF7;&#x4ECE;&#x4E2D;&#x9009;&#x62E9;&#x6700;&#x65B0;&#x7248;&#x672C;&#x7684;</a> yaml&#x3002;</p>
<p>&#x4F7F;&#x7528;&#x5728;&#x7EBF;&#x7684; YAML &#x6587;&#x4EF6;&#x90E8;&#x7F72; Kubernetes-Dashboard &#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.2.0/aio/deploy/recommended.yaml
</code></pre>
<blockquote>
<p>&#x8BF7;&#x66FF;&#x6362; url &#x4E2D;&#x7684; 2.2.0&#x3002;</p>
</blockquote>
<p>dashboard &#x521B;&#x5EFA;&#x540E;&#x4F1A;&#x51FA;&#x73B0;&#x5728; kubernetes-dashboard &#x547D;&#x540D;&#x7A7A;&#x95F4;&#x4E2D;&#x3002;</p>
<pre class="language-"><code class="lang-bash">root@instance-1:~<span class="token comment"># kubectl get pods --namespace=kubernetes-dashboard</span>
NAME                                         READY   STATUS    RESTARTS   AGE
dashboard-metrics-scraper-856586f554-4nd9v   <span class="token number">1</span>/1     Running   <span class="token number">0</span>          9d
kubernetes-dashboard-78c79f97b4-288js        <span class="token number">1</span>/1     Running   <span class="token number">0</span>          9d

root@instance-1:~<span class="token comment"># kubectl get services --namespace=kubernetes-dashboard</span>
NAME                            TYPE        CLUSTER-IP       EXTERNAL-IP   PORT<span class="token punctuation">(</span>S<span class="token punctuation">)</span>         AGE
dashboard-metrics-scraper       ClusterIP   <span class="token number">10.98</span>.50.123     <span class="token operator">&lt;</span>none<span class="token operator">&gt;</span>        <span class="token number">8000</span>/TCP        9d
kubernetes-dashboard            NodePort    <span class="token number">10.111</span>.44.44     <span class="token operator">&lt;</span>none<span class="token operator">&gt;</span>        <span class="token number">443</span>/TCP   9d
</code></pre>
<blockquote>
<p><strong>[Error] &#x63D0;&#x793A;</strong></p>
<p>&#x5982;&#x679C;&#x4F60;&#x7684;&#x96C6;&#x7FA4;&#x4E0A;&#x6709;&#x591A;&#x4E2A;&#x8282;&#x70B9;&#xFF0C;&#x90A3;&#x4E48;&#x53EF;&#x80FD;&#x4F1A;&#x88AB;&#x653E;&#x5230;&#x67D0;&#x4E2A;&#x8282;&#x70B9;&#x4E0A;&#x3002;</p>
</blockquote>
<p>&#x63A5;&#x7740;&#xFF0C;&#x67E5;&#x770B; dashboard &#x88AB;&#x653E;&#x5230;&#x54EA;&#x4E2A;&#x8282;&#x70B9;&#x4E0A;&#x8FD0;&#x884C;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">root@master:~<span class="token comment"># kubectl get pods --namespace=kubernetes-dashboard -o wide</span>
NAME                                        READY   STATUS    RESTARTS   AGE   IP          NODE     NOMINATED NODE   READINESS GATES
dashboard-metrics-scraper-c45b7869d-d9s2m   <span class="token number">1</span>/1     Running   <span class="token number">0</span>          15m   <span class="token number">10.32</span>.0.5   slave1   <span class="token operator">&lt;</span>none<span class="token operator">&gt;</span>           <span class="token operator">&lt;</span>none<span class="token operator">&gt;</span>
kubernetes-dashboard-576cb95f94-8dzcj       <span class="token number">1</span>/1     Running   <span class="token number">0</span>          15m   <span class="token number">10.32</span>.0.4   slave1   <span class="token operator">&lt;</span>none<span class="token operator">&gt;</span>           <span class="token operator">&lt;</span>none<span class="token operator">&gt;</span>
</code></pre>
<p>&#x53EF;&#x4EE5;&#x770B;&#x5230;&#xFF0C;&#x7B14;&#x8005;&#x7684; dashboard &#x670D;&#x52A1;&#x88AB;&#x653E;&#x5230; slave1 &#x8282;&#x70B9;&#x4E0A;&#x53BB;&#x4E86;&#xFF0C;&#x63A5;&#x7740;&#x8BF7;&#x8BB0;&#x5F55; slave1 &#x7684;&#x670D;&#x52A1;&#x5668; ip&#x3002;</p>
<p>&#x7531;&#x4E8E; dashboard &#x7F51;&#x7EDC;&#x9ED8;&#x8BA4;&#x662F; ClusterIP &#x65B9;&#x5F0F;&#xFF0C;&#x56E0;&#x6B64;&#x5916;&#x7F51;&#x662F;&#x4E0D;&#x80FD;&#x8BBF;&#x95EE;&#x7684;&#xFF0C;&#x6240;&#x4EE5;&#x4E3A;&#x4E86;&#x80FD;&#x591F;&#x88AB;&#x5916;&#x754C;&#x8BBF;&#x95EE;&#xFF0C;&#x53EF;&#x4EE5;&#x4FEE;&#x6539;&#x5176; service&#x3002;</p>
<pre class="language-"><code class="lang-bash">kubectl edit <span class="token function">service</span> kubernetes-dashboard --namespace<span class="token operator">=</span>kubernetes-dashboard
</code></pre>
<p>&#x5C06; <code>type: ClusterIP</code> &#x6539;&#x6210; <code>type: NodePort</code>&#xFF0C;&#x7136;&#x540E;&#x76F4;&#x63A5;&#x4FDD;&#x5B58;&#x5373;&#x53EF;(&#x4F1A;&#x4F7F;&#x7528; vi &#x7F16;&#x8F91;&#x5668;&#x6253;&#x5F00;&#x6587;&#x4EF6;&#xFF0C;&#x4FEE;&#x6539;&#x548C;&#x4FDD;&#x5B58;&#x8BF7;&#x4F7F;&#x7528; vi &#x65B9;&#x5F0F;&#x5904;&#x7406;)&#x3002;</p>
<pre class="language-"><code class="lang-yaml">  <span class="token key atrule">ports</span><span class="token punctuation">:</span>
    <span class="token key atrule">port</span><span class="token punctuation">:</span> <span class="token number">443</span>
    <span class="token key atrule">protocol</span><span class="token punctuation">:</span> TCP
    <span class="token key atrule">targetPort</span><span class="token punctuation">:</span> <span class="token number">8443</span>
  <span class="token key atrule">selector</span><span class="token punctuation">:</span>
    <span class="token key atrule">k8s-app</span><span class="token punctuation">:</span> kubernetes<span class="token punctuation">-</span>dashboard
  <span class="token key atrule">sessionAffinity</span><span class="token punctuation">:</span> None
  <span class="token key atrule">type</span><span class="token punctuation">:</span> NodePort
</code></pre>
<p>&#x7136;&#x540E;&#x6267;&#x884C; <code>kubectl get services --namespace=kubernetes-dashboard -o wide</code> &#x547D;&#x4EE4;&#xFF0C;&#x67E5;&#x770B;&#x968F;&#x673A;&#x751F;&#x6210;&#x7684;&#x7AEF;&#x53E3;&#x3002;</p>
<pre class="language-"><code class="lang-bash">root@master:~<span class="token comment"># kubectl get services --namespace=kubernetes-dashboard -o wide</span>
NAME                        TYPE        CLUSTER-IP      EXTERNAL-IP   PORT<span class="token punctuation">(</span>S<span class="token punctuation">)</span>         AGE   SELECTOR
dashboard-metrics-scraper   ClusterIP   <span class="token number">10.97</span>.89.174    <span class="token operator">&lt;</span>none<span class="token operator">&gt;</span>        <span class="token number">8000</span>/TCP        40m   k8s-app<span class="token operator">=</span>dashboard-metrics-scraper
kubernetes-dashboard        NodePort    <span class="token number">10.108</span>.209.60   <span class="token operator">&lt;</span>none<span class="token operator">&gt;</span>        <span class="token number">443</span>:31984/TCP   40m   k8s-app<span class="token operator">=</span>kubernetes-dashboard
</code></pre>
<p>&#x7B14;&#x8005;&#x7684;&#x7AEF;&#x53E3;&#x662F; 31984&#xFF0C;&#x63A5;&#x7740;&#x53EF;&#x4EE5;&#x5728;&#x5916;&#x7F51;&#x8BBF;&#x95EE; <code>https://{ip}:31984</code>&#x3002;&#x6CE8;&#x610F;&#xFF0C;&#x8BBF;&#x95EE;&#x7684; IP &#x662F;&#x90E8;&#x7F72;&#x4E86; dashboard &#x7684;&#x8282;&#x70B9;&#x7684; I&#x3002;</p>
<p>&#x6253;&#x5F00;&#x7F51;&#x9875;&#x540E;&#xFF0C;&#x5176;&#x9875;&#x9762;&#x5982;&#x4E0B;&#xFF1A;</p>
<p><img src="images/dashboard.png" alt="1619679965(1)"></p>
<p>&#x53EF;&#x4EE5;&#x770B;&#x5230;&#xFF0C;&#x8BBF;&#x95EE;&#x65B9;&#x5F0F;&#x6709; Token &#x548C;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x65B9;&#x5F0F;(kubeconfing)&#xFF0C;&#x8FD9;&#x4E24;&#x8005;&#x540E;&#x9762;&#x518D;&#x8BB2;&#x3002;</p>
<p>&#x901A;&#x8FC7;&#x4E0B;&#x9762;&#x8FD9;&#x6761;&#x547D;&#x4EE4;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x67E5;&#x770B; Token&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl -n kube-system describe <span class="token variable"><span class="token variable">$(</span>kubectl -n kube-system get secret -n kube-system -o name <span class="token operator">|</span> <span class="token function">grep</span> namespace<span class="token variable">)</span></span> <span class="token operator">|</span> <span class="token function">grep</span> token
</code></pre>
<p>&#x590D;&#x5236; token&#xFF0C;&#x586B;&#x5199;&#x5230; Web UI &#x4E2D;&#xFF0C;&#x5373;&#x53EF;&#x8FDB;&#x5165;&#x63A7;&#x5236;&#x53F0;&#x3002;</p>
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